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New York and Michigan Exploration

Past Producer in Keweenaw county in Michigan, United States with commodity Copper
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Production statistics
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10082835
MRDS ID W062192
Record type Site
Current site name New York and Michigan Exploration

Geographic coordinates

Geographic coordinates: -87.81002, 47.43556 (WGS84)
Elevation 262
Relative position ABOUT 2 MI N OF HOAR LAKE.

Site location context

Political divisions (FIPS codes)

Keweenaw(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fort Wilkins(quadrangle 1:24,000 scale)

Copper Harbor(quadrangle 1:100,000 scale)

Hancock(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Keweenaw Peninsula(hydrologic unit)

Southcentral Lake Superior(hydrologic accounting unit)

Southern Lake Superior(hydrologic subregion)

Great Lakes(hydrologic region)

Geographic areas

Country State County
United States Michigan Keweenaw

Public Land Survey System information

Meridian Township Range Section Fraction State
Michigan 058N 028W 12 SW OF NW Michigan

Comments on the location information

  • LOCATION IS FOR THE SOUTHERN OF TWO SHAFTS SHOWN AT THIS SITE ON THE FORT WILKINS 1:24,000 SCALE MAP. THE DEPOSIT IS LOCATED AT THE FOOT OF A SLOPE THAT RISES ABOUT 150 FEET ABOVE THE PLAIN TO THE NORTH.

Commodities

Commodity Importance
Copper Primary

Comments on the commodity information

  • COPPER OCCURS IN OR ADJACENT TO THE FISSURES OR FAULTS AS DISSEMINATED GRAINS, AS THIN SHEETS ALONG CRACKS, OR AS MASSES WEIGHING UP TO HALF A TON. TOTAL PRODUCTION FROM 4 SMALL MASSES PRODUCED IN 1852.

Materials information

Materials Type of material
Copper Ore
Calcite Gangue
Prehnite Gangue
Quartz Gangue
Datolite Gangue
Laumontite Gangue
Epidote Gangue
Chlorite Gangue

Mineral occurrence model information

Model code 96
USGS model code Unassigned
Deposit model name Native Cu
Mark3 model number 99

Host and associated rocks

  • Host or associated Host
    Rock type
    Rock unit name Portage Lake Volcanics
    Rock description Portage Lake Volcanics
    Stratigraphic age (youngest) Stenian
    Chronological age 1095

Nearby scientific data

(1) Copper Harbor Conglomerate
ListMap

Economic information

Ore body information

  • General form FISSURE

Controls for ore emplacement

  • Fissure

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1846
Year of last production 1853
Production years 1846-47, 1852-53

Mining district

District name Keweenaw Copper

Production statistics

  • Year 1852
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major recovered Cu Copper Copper 176.7mt

Comments on the production information

  • NO PRODUCTION FIGURES ARE GIVEN FOR OTHER YEARS.

Comments on development

  • ECON.COM: THE DEPOSIT WAS EXPLORED IN 1846-47 AND AGAIN IN 1852-53.

Reference information

Bibliographic references

  • Deposit

    BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF PAPER NO. 144, 238 PP.

  • Deposit

    CORNWALL, H. R., 1955, BEDROCK GEOLOGY OF THE FORT WILKINS QUADRANGLE, MICHIGAN: U.S. GEOLOGICAL SURVEY, GEOLOGIC QUADRANGLE MAPS OF THE UNITED STATES, GQ 74, 1:24,000.

  • Production

    BUTLER AND BURBANK, 1929.

General comments

Subject category Comment text
Deposit THE DEPOSIT IS AT THE CONTACT BETWEEN THE THE GREENSTONE FLOW AND OTHER ROCKS OF THE PORTAGE LAKE LAVA SERIES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1996 Sutphin, D.M. (Cannon, W.F.) U.S. Geological Survey
Updater 01-MAR-1997 Sutphin, D.M. U.S. Geological Survey
Editor 01-MAY-1997 Mason Jr., G.T. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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